From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 234D13D0937; Tue, 16 Jun 2026 05:31:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781587908; cv=none; b=XQC7TSPPbq37AIBuwCdMmpofBeNOCbTbtMk3xrPC0SjgUyxLeEHUZw45dj6vOd6Og3597o5iM00HPsupyLEY6azALCPYA+KurufZrKHqJ8o7irNNiOHosw7NxDXm30+axjHzyLAGFKugbBgZKFMKsVoADKg2EhaOC87XEHFh1Gs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781587908; c=relaxed/simple; bh=2DHGdkh+LxkF8N/SJ1IAj8JluhHq4Cb1Ynj6/3QS7GQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ta0K5svlzRiToi6j2SoDKToM3eCqO0jBzwM1wa0dZ4dvCDa0CQbhbbYiB1zODJcH/d5+VhvSimseSmZmbqa2tgN8YcwX5UvjQqpIwubxPDli14wqmQTHCGEqfBpWHMOuXAogsP7v38mTZ06i1j+aNN9yFU2Ykei/WeQlmKSv5Lg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=BRgLH8Lb; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="BRgLH8Lb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781587906; x=1813123906; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=2DHGdkh+LxkF8N/SJ1IAj8JluhHq4Cb1Ynj6/3QS7GQ=; b=BRgLH8LbqIixV1lzdvD+/kDlrpb2vNtWOKc8v3AranJxS4IsMhnK3M0P gVoIS8vSofNmQXRtQ8o/JH/1KaovXX4DDrhPsXSdtuN8pQy62Pz+ULriK M5JO3C7EC+177KCPatTklmI4ODzW4l1QpD3UCLa0ouv595OQNwMsdmB/S X2ThSmQY1KjF2IGpgF1CEnO9CcdwAVr88w2VLKNvzijeuhCWBMQP5OcP9 wl3dCkdoyawPa4sD+rn9q2zh9iOD/ervPIzllZerFzeHwOp47hvQ2wN0x wUgYAGt00+pPDJG/htUMtdy5L/D5ppjufY7qlWbBB8PxFZxafEdUuwFgA Q==; X-CSE-ConnectionGUID: mmYsfz6jRx2HgszIcWStFg== X-CSE-MsgGUID: 1kC8CzRgRBK7Ji0GGflMAw== X-IronPort-AV: E=McAfee;i="6800,10657,11818"; a="107772714" X-IronPort-AV: E=Sophos;i="6.24,207,1774335600"; d="scan'208";a="107772714" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2026 22:31:45 -0700 X-CSE-ConnectionGUID: n42ZcPFkR/isOZj3lnwUSg== X-CSE-MsgGUID: gqesfjdSSDG/SZHim1et1g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,207,1774335600"; d="scan'208";a="285784566" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 15 Jun 2026 22:31:41 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wZMOf-00000000Skg-0Hmh; Tue, 16 Jun 2026 05:31:37 +0000 Date: Tue, 16 Jun 2026 13:31:14 +0800 From: kernel test robot To: Luigi Rizzo , rizzo.unipi@gmail.com, m.szyprowski@samsung.com, robin.murphy@arm.com, willemb@google.com, kuniyu@google.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, gregkh@linuxfoundation.org, rafael@kernel.org, akpm@linux-foundation.org, david@kernel.org, netdev@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux.dev, driver-core@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] swiotlb: avoid double copy with swiotlb on tx socket Message-ID: <202606161322.zGyw68Qa-lkp@intel.com> References: <20260615234220.3946885-1-lrizzo@google.com> Precedence: bulk X-Mailing-List: driver-core@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260615234220.3946885-1-lrizzo@google.com> Hi Luigi, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v7.1 next-20260615] [cannot apply to driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Luigi-Rizzo/swiotlb-avoid-double-copy-with-swiotlb-on-tx-socket/20260616-074655 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260615234220.3946885-1-lrizzo%40google.com patch subject: [PATCH] swiotlb: avoid double copy with swiotlb on tx socket config: powerpc-pmac32_defconfig (https://download.01.org/0day-ci/archive/20260616/202606161322.zGyw68Qa-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project e19d1f51a2c80b63cd8ca95bcc757b7077112808) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260616/202606161322.zGyw68Qa-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202606161322.zGyw68Qa-lkp@intel.com/ All warnings (new ones prefixed by >>): >> Warning: net/core/sock.c:3215 function parameter 'sk' not described in '__skb_page_frag_refill' >> Warning: net/core/sock.c:3215 expecting prototype for skb_page_frag_refill(). Prototype was for __skb_page_frag_refill() instead -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki